A859/A859M-04(2014) is a standard specification for pressure vessel plates, alloy steel, and high-strength low-alloy steel produced by the thermo-mechanical control process (TMCP). The steel grade A859/A859M-04(2014) has specific chemical composition and mechanical properties that make it suitable for various applications.
The chemical composition of A859/A859M-04(2014) steel grade includes elements such as carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, vanadium, columbium, boron, and nitrogen. This composition gives the steel grade its unique properties and characteristics.
In terms of mechanical properties, A859/A859M-04(2014) steel grade has specified values for tensile strength, yield strength, and elongation. These properties determine the strength and ductility of the steel, making it suitable for pressure vessel applications where high tensile strength and good toughness are required.
The key features of A859/A859M-04(2014) steel grade include its ability to withstand high-pressure conditions, excellent weldability, and good impact resistance. It is commonly used in the construction of pressure vessels for the oil and gas industry, chemical plants, and power generation plants.
The corresponding standard number for A859/A859M-04(2014) steel grade refers to the specific edition and year of the ASTM (American Society for Testing and Materials) standard that defines the specification. This helps ensure consistency and uniformity in the manufacturing and use of the steel grade.
Overall, A859/A859M-04(2014) steel grade is a high-strength alloy steel with specific chemical composition and mechanical properties that make it suitable for pressure vessel applications. Its key features and corresponding standard number help provide a clear understanding of its qualities and applications.